key·punch 
(kēpŭnch′)
(kēpŭnch′)n.
A keyboard machine used to punch holes in cards or tapes for data-processing systems.
intr. & tr.v. key·punched, key·punch·ing, key·punch·es
To process on or use such a keyboard machine.
keypunch′er n.
| 单词 | keypunch |
| 释义 | key·punch (kēpŭnch′)n. A keyboard machine used to punch holes in cards or tapes for data-processing systems. intr. & tr.v. key·punched, key·punch·ing, key·punch·es To process on or use such a keyboard machine. keypunch′er n. |
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